Index: trunk/test/unit/org/openstreetmap/josm/data/validation/tests/LongSegmentTest.java
===================================================================
--- trunk/test/unit/org/openstreetmap/josm/data/validation/tests/LongSegmentTest.java	(revision 10080)
+++ trunk/test/unit/org/openstreetmap/josm/data/validation/tests/LongSegmentTest.java	(revision 10080)
@@ -0,0 +1,59 @@
+// License: GPL. For details, see LICENSE file.
+package org.openstreetmap.josm.data.validation.tests;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.openstreetmap.josm.JOSMFixture;
+import org.openstreetmap.josm.data.coor.LatLon;
+import org.openstreetmap.josm.data.osm.Node;
+import org.openstreetmap.josm.data.osm.Way;
+
+/**
+ * JUnit Test of "Long Segment" validation test.
+ */
+public class LongSegmentTest {
+
+    /**
+     * Setup test.
+     */
+    @Before
+    public void setUp() {
+        JOSMFixture.createUnitTestFixture().init();
+    }
+
+    private static boolean test(int expected, Way w) throws Exception {
+        LongSegment test = new LongSegment();
+        test.initialize();
+        test.startTest(null);
+        test.visit(w);
+        test.endTest();
+        return test.getErrors().size() == expected;
+    }
+
+    /**
+     * Unit test
+     * @throws Exception if any error occurs
+     */
+    @Test
+    public void testLongSegment() throws Exception {
+        // Long way
+        Way w = new Way();
+        // https://www.openstreetmap.org/node/798475224
+        w.addNode(new Node(new LatLon(54.1523672, 12.0979025)));
+        // https://www.openstreetmap.org/node/468120683
+        w.addNode(new Node(new LatLon(54.5737391, 11.9246324)));
+        assertTrue(test(1, w));
+
+        // Ferry route
+        w.put("route", "ferry");
+        assertTrue(test(0, w));
+
+        // Short way
+        w = new Way();
+        w.addNode(new Node(new LatLon(54.152, 12.097)));
+        w.addNode(new Node(new LatLon(54.153, 12.098)));
+        assertTrue(test(0, w));
+    }
+}